JP2005184912A - Power supply device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power supply device which does not need stopping of driving of a machine facility, etc. for disconnecting and connecting the entire power supply circuit even by removing the part of a power supply unit used to individual repair or individual maintenance. <P>SOLUTION: In the power supply device, when power supply circuits in a plurality of power supply units 11 are constituted to be connectible between the power supply circuits through a bus line circuit, each power supply unit 11 is housed in a housing 14 for the power supply circuit and a housing 15 for the bus line circuit and unitized to independently constitute the power supply circuit and the bus line circuit, and the power supply circuit 12 and the bus line circuit unit 13 are detachably connected, and bus line connectors 16 are arranged at both side walls opposed to each other of the housing 15 for the bus line circuit, and the bus line circuits 15 of the adjacent power supply units 11 are constituted to be connectible to each other. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a power supply apparatus configured such that power supply capacity can be increased or decreased by configuring each power supply circuit in a plurality of power supply units to be connectable via a bus line circuit.

  Current power supply units such as switching power supplies are widely used in various mechanical equipment in factories, and any number of units can be increased or decreased in order to cope with changes in power capacity such as expansion of facilities or new installations. The power supply capacity is configured to be obtained.

And as for the connection between each power supply unit, what connects using a bus line as shown in FIG.10 and FIG.11 is known (refer patent document 1).
Japanese Patent Application Laid-Open No. 2002-231385.

  The power supply apparatus shown in FIG.10 and FIG.11 is comprised so that the adjacent power supply units 1 and 1 may be connected so that attachment or detachment is possible through a connector.

  That is, as shown in FIG. 10, the power supply unit 1 is configured to have the same specifications, for example, and each power supply unit 1 accommodates the power supply circuit unit 2 and the bus line circuit unit 3 in one housing. The bus line circuit units 3 are detachably connected using a connector 4 to constitute a power supply device having a predetermined electric capacity.

  The circuit configuration of the power supply unit 1 is as shown in FIG.

  That is, in the circuit diagram shown in FIG. 11, the power supply unit 1 at the left end is used as a master power supply unit connected to the AC power supply 5, and three power supply units 1 for expansion are added in parallel to this, and a large number of outputs with the same voltage Each power supply unit 1 is configured integrally with a power supply circuit unit 2 and a bus line circuit unit 3 as a unit, and a connector 4 is connected between adjacent power supply units 1. It is configured as a power supply device that is electrically connected to convert alternating current into direct current.

  In the power supply apparatus configured as described above, each power supply unit 1 is configured integrally with the power supply circuit 2 and the bus line circuit 3 using the housing 6 at the position, and each bus line circuit 3 is electrically connected by the connector 4. In order to connect and respond to changes in power supply capacity, an arbitrary number can be increased or decreased.

  Moreover, in the power supply device configured as described above, the number of power supply units 1 to be connected is usually set so as to obtain a larger electric capacity than the electric capacity of the machine equipment or the like that is normally connected.

  However, since each power supply unit 1 fails individually or has a different maintenance period, each power supply unit 1 needs to be individually repaired or replaced with a new one.

  In this case, for example, if the power supply unit 1 located at the intermediate portion is removed, adjacent bus lines that are sequentially connected to each other are disconnected.

  In this case, since the power supply unit 1 that is larger than the electric capacity of the machine equipment or the like to be connected at a corner is used, even if it is possible to operate only by using the live power supply unit 1, it is connected. As a result, all the power sources of the machine equipment and the like are cut off, and the operation must be stopped.

  Therefore, in view of this point, the present invention needs to stop the operation of the mechanical equipment and the like to which the entire power supply circuit is disconnected and connected even if a part of the power supply unit used for individual repair or individual maintenance is removed. The object is to provide a power supply device without the above.

  In order to achieve the above object, the present invention according to claim 1 is a power supply device configured to connect power supply circuits in a plurality of power supply units via a bus line circuit. In order to make the circuit and the bus line circuit independent, they are housed in a power circuit housing and a bus line circuit housing to form a unit, and the power circuit unit and the bus line circuit unit are detachably connected. In addition, a bus line connector is provided on both opposite side walls of the bus line circuit housing so that the bus line circuits in the adjacent power supply units can be connected to each other.

  With this configuration, each power supply unit is unitized independently by disposing the power supply circuit unit and the bus line circuit unit in the respective housings, and the power supply circuit unit and the bus line circuit unit can be attached and detached. Because it is configured to connect, the power supply circuit unit can be removed from the bus line circuit unit for each power supply unit while maintaining the connection relationship between the bus line circuit units, and there is no need to remove it. The power supply circuit unit can be used to operate the connected mechanical equipment as it is, and the power supply circuit unit of the removed power supply unit can be repaired, and efficient operation of the mechanical equipment can be performed even during replacement work. Can be realized.

  According to the present invention, the bus line connector according to claim 1 has a pin type connection terminal.

  With this configuration, adjacent power supply units can be detachably connected using pin-type connection terminals.

  Further, according to the present invention, the pin type connection terminals respectively attached to both side walls of the bus line circuit housing according to claim 2 are formed with one end side as a press-fit terminal portion and screwed with the other end side. A connection terminal on one side that is formed in the terminal portion and is mounted on the side wall portion on one side of the bus line circuit housing is press-fitted on one of the pair of side wall portions of the bus line circuit housing. The other connection terminal to be mounted on the other side wall portion of the bus line circuit housing is formed by screwing and mounting the screw terminal portion side to the other side wall portion of the bus line circuit housing. To do.

  With this configuration, for example, when the other bus line circuit unit is removed from one bus line circuit unit connected to the power source among the bus line circuit units of a pair of adjacent power supply units, one bus line If a pin type connection terminal is screwed to the circuit unit side and one pin type connection terminal is press-fitted to the other bus line circuit unit side, the connection terminal is used when only one power supply unit is used. When connecting or using multiple units, the connection terminal can be removed from the bus line circuit housing by unscrewing the connection terminal of the power supply device in the last row. Accidents such as electric shock due to inadvertent contact can be prevented.

  Further, the present invention is characterized in that the bus line connector according to claim 1 is unitized by disposing a plurality of connection terminals on the connector housing and mounted on both side walls of the bus line circuit housing. To do.

  With such a configuration, adjacent power supply units can be detachably connected by a unitized bus line connector.

  According to the present invention, the connector housing according to claim 4 is detachably attached to the side wall of the bus line circuit housing.

  With this configuration, for example, in the case where the other bus line circuit unit is removed from one bus line circuit unit connected to the power source among the bus line circuit units of a pair of adjacent power supply units, it is still connected to the power source. By removing the connector housing on the side of one bus line circuit unit that is alive, accidents such as electric shock due to inadvertent contact of the bus line connector can be prevented in advance.

  According to the present invention, the connector mounting portion of the connector housing in the bus line circuit housing according to claim 5 is configured to be covered with a cover body after the connector housing is removed.

  With this configuration, it is possible to maintain the safety of the bus line circuit unit which is further connected to the power source by the cover body and is alive.

  According to the present invention, the bus line connector according to claim 1 has a plate-type connection terminal.

  With such a configuration, adjacent power supply units can be detachably connected to each other by a unitized plate-type connection terminal.

  Further, the present invention is characterized in that, in the bus line connector configured by the plate-type connection terminal according to claim 7, a substantially flat display portion is provided on the connector coupling body that supports the connection terminal and is unitized. To do.

  With such a configuration, it is convenient to draw a circuit diagram showing the connection configuration between the power supply units adjacent to the display unit.

  In the present invention configured as described above, each power supply unit is unitized independently by disposing a power supply circuit and a bus line circuit in each housing, and the power supply circuit unit, the bus line circuit unit, Since it is configured to be detachably connected, it is possible to remove the power circuit unit from the bus line power circuit unit for each electrical unit while maintaining the connection relationship between the bus line circuit units. It is possible to operate the connected mechanical equipment as it is without using a living power supply unit, and repair the power supply circuit unit of the removed power supply, Efficient operation can be realized.

  Embodiments according to the present invention will be described below with reference to the drawings.

  First, a first embodiment according to the present invention will be described with reference to FIGS.

  1 is a perspective view of the power supply device according to the first embodiment, FIG. 2 is a perspective view showing an installation example of the power supply device in FIG. 1, and FIG. 3 is a schematic electrical circuit of the installation example of the power supply device in FIG. FIG.

  According to FIGS. 1 to 3, the power supply device 10 is configured to obtain an arbitrary electric capacity by connecting an arbitrary number of power supply units 11 in parallel.

  Each power supply unit 11 includes a power supply circuit unit 12 and a bus line circuit unit 13.

  The power circuit unit 12 is unitized by housing and installing the power circuit 12 a in the power circuit unit housing 14.

  The bus line circuit unit 13 has a bus line circuit 13c composed of an AC power supply line circuit 13a connected to the AC power supply 16 side and a DC power supply line circuit 13b connected to various machine facilities in the factory. The circuit 13a and the DC power supply line circuit 13b are used as a unit by being installed in one bus line circuit housing 15 as a base.

  Then, by providing connectors 18 on the back side of the power circuit unit housing 13 and the bottom of the accommodating portion 15a of the bus line circuit housing 15, and inserting and connecting these connectors 18, the power circuit 12a and the bus line circuit are connected. 13c is electrically connected.

  Therefore, the power supply circuit unit 12 and the bus line circuit 13 have an independent configuration that is detachable from each other.

  In the bus line circuit housing 15, bus line connectors 16 are attached to both side wall portions 15 a and 15 b facing each other.

  The bus line connector 16 includes a plurality of pin type connection terminals 17.

  The pin-type connection terminal 17 is configured by forming one end side as a press-fit terminal portion 17a and the other end side as a screw terminal portion 17b.

  When the pin-type connection terminal 17 is attached to the side wall portions 15a and 15b, the screw terminal portion 17b is protruded by attaching the press-fit terminal portion 17a side to the one side wall portion 15a, and the other side wall portion 15a is attached. A female screw portion is engraved in the portion 15b in advance, and is attached by screwing the screw terminal portion 17b side, thereby projecting the press-fit terminal portion 17a.

  Therefore, the bus line circuit housings 15 adjacent to each other are electrically connected to each other by connecting one side to the press-fit terminal portion 17a and the other side to the screw terminal portion 17b. Thus, the power supply circuit shown in FIG. 3 is configured.

  With this configuration, each power supply unit 11 is unitized independently by disposing the power supply circuit 12a and the bus line circuit 13c in the respective housings 14 and 15, and the power supply circuit unit 12 and the bus line circuit unit 13 In addition, since the power supply circuit unit 12 and the bus line circuit unit 13 are detachably connected via the connector 18, the connection relationship between the bus line circuit units 13 is established. While being held, the power supply circuit unit 14 can be removed from the bus line power supply circuit unit 13 for each power supply unit 11, and the connected mechanical equipment is operated as it is using the live power supply unit 11 without being removed. The power supply circuit unit 12 of the removed power supply unit 11 can be repaired, Even during conversion operations, it is possible to allow for efficient operation of such machinery.

  Further, for example, when the other bus line circuit unit 13 is removed from one bus line circuit unit 13 connected to the power source among the bus line circuit units 13 of the pair of adjacent power supply units 11, If the screw type terminal 17b of the pin type connection terminal is screwed to the bus line circuit unit 13 side and the pin type connection terminal 17 is press-fitted to the other bus line circuit unit 13 side, the power supply device can be connected. When only one unit is used or when a plurality of units are connected, the connection terminal 11 can be removed from the bus line circuit housing 15 by unscrewing the connection terminal 17 of the power supply unit 11 in the last row. An accident such as an electric shock due to careless contact with the connection terminal 17 can be prevented in advance.

  Next, a second embodiment of the present invention will be described with reference to FIGS.

  FIG. 4 is a perspective view of the power supply device according to the second embodiment, and FIG. 5 is a perspective view showing an installation example of the power supply device in FIG.

  According to FIGS. 4 and 5, in the second embodiment, instead of the pin-type connection terminal 17 in the first embodiment, a needle-like connection terminal 17 having a small diameter is used, for example, A plurality of wires are collectively accommodated in the connector housing 19 so as to form a unit, and the base portion 19a is fitted to concave connector mounting portions 15c provided on both side wall portions 15 of the bus line circuit housing 15. In addition to being electrically connected to the bus line circuit unit 13, the mounting flange portion 19b formed so as to face both side portions of the base portion 19a is screwed using screws 19c.

  Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted.

  With this configuration, each power supply unit 11 is unitized independently by disposing the power supply circuit unit 12 and the bus line circuit unit 13 in the respective housings 14 and 15, and furthermore, the power supply circuit unit 12 and the bus line. Since the circuit unit 13 is detachably connected to the circuit unit 13 via the connector 18, the bus line power supply circuit unit 13 is provided for each power supply unit 11 while maintaining the connection relationship between the bus line circuit units 13. The power supply circuit unit 14 can be removed from the power supply unit 11, and the connected power supply unit 11 can be operated as it is using the live power supply unit 11 without being removed. Efficient operation of machinery and equipment can be realized even during repair or replacement work Rukoto can.

  Further, for example, when the other bus line circuit unit 13 is removed from one bus line circuit unit 13 connected to the power source among the bus line circuit units 13 of the pair of adjacent power supply units 11, Since the needle-type connection terminal 17 is unitized on the bus line circuit unit 13 side using the connector housing 19 and can be attached to the bus line circuit housing 15 using the screws 19c, the power supply device 1 The connection terminal 17 of the power supply unit 11 in the last row when using only one power supply unit 11 or connecting a plurality of power supply units 11 can be removed from the bus line circuit housing 15, and connected to the connection terminal 17. Accidents such as electric shock due to inadvertent contact can be prevented.

  The bus line circuit housing 15 (located at the right end in FIG. 5) from which the connector housing 19 has been removed has a cover body 20 attached to the connector mounting portion 15c and is further connected to a power source by the cover body 20 to live. The safety of the bus line circuit unit 13 is maintained.

  Next, a third embodiment of the present invention will be described with reference to FIGS.

  FIG. 6 is a perspective view of the power supply device according to the third embodiment, and FIGS. 7 to 9 are explanatory views showing a process of mounting the plate-type connection terminals of the power supply device in FIG.

  According to FIG. 6, in the third embodiment, instead of the pin type connection terminal 17 in the first embodiment or the needle type connection terminal 17 in the second embodiment, a plate type connection terminal is used. 17 is configured as a unit by, for example, fitting or integral formation on both opposing side surfaces of the connector coupling body 21 made of a non-conductive material such as synthetic resin so that a plurality of sheets are separated from each other.

  Moreover, the connector coupling body 21 forms the protrusion 21a integrally in the surface in which the connection terminal 17 is not provided, and cuts out the notch 21b in two intermediate parts of the protrusion 21a.

  On the other hand, a pair of lock grooves 23 are provided on the bus line circuit unit housing 15 side to slidably support a lock piece 22 having a bifurcated tip.

  The connector connector 21 is inserted into the concave connector mounting portions 15c provided on the both side walls 15a and 15b of the bus line circuit unit housing 15, and the connection terminals 17 shown in FIG. The connection terminal 17 is inserted into the connector mounting portion 15c from a state just before being inserted into the connector mounting portion 15c of the circuit housing 15. At this time, the bifurcated portion 22a of the lock piece 22 is located in the notch 21b of the connector connector 21 (state shown in FIG. 8).

  Thereafter, the lock piece 22 is slid in the lock groove 23 to engage the bifurcated portion 22a with the protruding piece 21a (the state shown in FIG. 9).

  As a result, the connector connector 21 is attached to the bus line circuit housing 15 while being prevented from being detached.

  With this configuration, the adjacent bus line circuit units 13 can be detachably connected to each other by the plate-type connection terminals 17 unitized by the connector connector 21.

  In the present embodiment, the connector connecting body 21 is provided with a substantially flat display portion 21d connected to the leg portion 21c, and a circuit diagram showing a connection configuration between the power supply units 11 adjacent to the display portion 21d is shown. It is configured so that it can be drawn.

  Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted.

  With this configuration, each power supply unit 11 is unitized independently by disposing the power supply circuit unit 12 and the bus line circuit unit 13 in the respective housings 14 and 15, and furthermore, the power supply circuit unit 12 and the bus line. Since the circuit unit 13 is detachably connected to the circuit unit 13 via the connector 18, the bus line power supply circuit unit 13 is provided for each power supply unit 11 while maintaining the connection relationship between the bus line circuit units 13. The power supply circuit unit 14 can be removed from the power supply unit 11, and the connected power supply unit 11 can be operated as it is using the live power supply unit 11 without being removed. Efficient operation of machinery and equipment can be realized even during repair or replacement work Rukoto can.

  Further, for example, when the other bus line circuit unit 13 is removed from one bus line circuit unit 13 connected to the power source among the bus line circuit units 13 of the pair of adjacent power supply units 11, Since the plate-type connection terminal 17 is unitized on the bus line circuit unit 13 side using the connector coupling body 21 and can be attached to the bus line circuit housing 15 using the screws 19c, the power supply device is The connection terminal 17 of the power supply unit 11 in the last row in the case of using only one power supply unit 11 or connecting a plurality of power supply units 11 can be removed from the bus line circuit housing 15. Accidents such as electric shock due to careless contact can be prevented.

  Then, the bus line circuit housing 15 from which the connector housing 19 has been removed is connected to the power supply by the cover body 20 by mounting the cover body 20 on the connector mounting portion 15c, as in the second embodiment. The safety of the live bus line circuit unit 13 is maintained.

  As described above, in the power supply device of the present invention, each power supply unit is unitized independently by disposing the power supply circuit unit and the bus line circuit unit in the respective housings. Since it is configured to be detachably connected to the bus line circuit unit, it is possible to remove the power circuit unit from the bus line circuit unit for each power supply unit while maintaining the connection relationship between the bus line circuit units. It is possible to use the live power supply circuit unit without removing it, and it is possible to operate the connected machinery and equipment as it is, even while repairing or replacing the power supply circuit unit of the removed power supply unit. Each power supply in a plurality of power supply units because it is possible to realize efficient operation of machine equipment, etc. So that between the road can be suitably used in the power supply or the like changeable configure power capacity by connectable to each other through a bus line circuit.

1 is a perspective view of a power supply device according to a first embodiment of the present invention. It is a perspective view which shows the example of installation of the power supply device in FIG. It is the block diagram which drawn typically the electric circuit of the example of installation of the power supply device in FIG. It is a perspective view of the power supply device in 2nd Embodiment concerning this invention. It is a perspective view which shows the example of installation of the power supply device in FIG. It is a perspective view of the power supply device in 3rd Embodiment concerning this invention. It is explanatory drawing which shows the state just before inserting the plate-shaped connection terminal of the power supply device in FIG. 6 in the housing for bus line circuits. It is explanatory drawing which shows the state which similarly inserted the plate-type connection terminal of the power supply device in the housing for bus line circuits. Similarly, it is an explanatory view showing a state in which the connection terminal is mounted and fixed to the bus line circuit housing by sliding the lock piece from the state where the plate type connection terminal of the power supply device is inserted into the bus line circuit housing. It is a perspective view which shows the example of installation of the power supply device in the past. It is the block diagram which drawn typically the electric circuit of the example of installation of the power supply device in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Power supply device 11 Power supply unit 12 Power supply circuit unit 13 Bus line circuit unit 14 Housing for power supply circuit unit 15 Housing for bus line circuit unit 16 Bus line connector 17 Connection terminal

Claims (8)

A power supply device configured to be able to connect power supply circuits in a plurality of power supply units via a bus line circuit, wherein each power supply unit is configured to independently configure the power supply circuit and the bus line circuit. The housing for housing and the bus line circuit housing are unitized, the power supply circuit unit and the bus line circuit unit are detachably connected, and both sides of the bus line circuit housing face each other. A power supply apparatus comprising a bus line connector disposed on a wall so that bus line circuits in adjacent power supply units can be connected to each other. The power supply device according to claim 1, wherein the bus line connector includes a pin-type connection terminal. The pin-type connection terminals respectively mounted on both side wall portions of the bus line circuit housing have one end side formed as a press-fit terminal portion and the other end side formed as a screw terminal portion. The connection terminal on one side to be mounted on the side wall portion on one side of the line circuit housing has the press-fit terminal portion press-fitted on one of the pair of side wall portions of the bus line circuit housing, and the bus line circuit 3. The other connection terminal to be mounted on the other side wall portion of the housing is configured by screwing and mounting the screw terminal portion side to the other side wall portion of the bus line circuit housing. The power supply described. 2. The power supply device according to claim 1, wherein the bus line connector is unitized by disposing a plurality of connection terminals on the connector housing and mounted on both side walls of the bus line circuit housing. 5. The power supply device according to claim 4, wherein the connector housing is detachably attached to a side wall portion of the bus line circuit housing. 6. The power supply device according to claim 5, wherein the connector mounting portion of the connector housing in the bus line circuit housing is configured to be covered with a cover body after the connector housing is removed. 2. The power supply apparatus according to claim 1, wherein the bus line connector includes a plate-type connection terminal. 8. The bus line connector configured to have the plate-type connection terminal, wherein a substantially flat display portion is provided on a connector coupling body that supports the connection terminal and is unitized. Power supply.

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